Power Systems If we increase the spacing between the phase conductors, the line capacitance None of these decreases increases remains unaffected None of these decreases increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against temperature. over voltage. overload. short circuit. temperature. over voltage. overload. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine operates by initial complete conversion to kinetic energy. always operates submerged. is most suited for low head and high discharge power plants. makes use of a draft tube. operates by initial complete conversion to kinetic energy. always operates submerged. is most suited for low head and high discharge power plants. makes use of a draft tube. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LLG. LL. LG. LLLG. LLG. LL. LG. LLLG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A string insulator has 4 units. The voltage across bottom most unit is 10 kV and its efficiency is 90%. Find the total operating phase voltage? 36 kV 32 kV 40 kV 45 kV 36 kV 32 kV 40 kV 45 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased by thick concrete wall. immersed in water pool. encased thick metal wall. isolated from outside word with strong magnetic field. encased by thick concrete wall. immersed in water pool. encased thick metal wall. isolated from outside word with strong magnetic field. ANSWER DOWNLOAD EXAMIANS APP